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December 2025 Release Notes
Multi-cloud support and mobile hand-off capabilities were the focus of December.

Platform

  • Multi-cloud provider abstraction: Introduced a cloud provider abstraction layer that decouples platform services from AWS-specific implementations, laying the groundwork for multi-cloud deployments
  • Mobile hand-off pattern: Added a mobile hand-off pattern that propagates terminal route results across device transitions, enabling verification flows that start on desktop and continue on mobile
  • Attribute validation fix: Fixed attribute validation in handlers to correctly process edge cases in verification flow inputs

Studio

  • Mobile hand-off support: The flow builder now supports mobile hand-off interactions, allowing designers to create verification flows that seamlessly transition between desktop and mobile devices
  • Cognito email configuration update: Updated the Cognito email configuration and invitation template to improve deliverability and branding of user invitation emails
  • Flex-shrink layout property: Added a flex-shrink CSS property option to layout components, providing finer control over how elements resize in responsive layouts

Client SDK

  • Email input type fix: Fixed a validation issue with email input fields that could prevent valid email addresses from being accepted